Home / 13,236.65-19,882.64-11,160.71

Finding the Fourth Proportional to 13,236.65, 19,882.64 and 11,160.71

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Solution

The fourth proportional to 13,236.65, 19,882.64 and 11,160.71 is: 16,764.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.65 : 19,882.64 = 11,160.71 : x
  2. Step 2: Convert to fraction form
    13,236.65/19,882.64 = 11,160.71/x
  3. Step 3: Cross multiply
    13,236.65x = 19,882.64 × 11,160.71
  4. Step 4: Simplify right side
    13,236.65x = 221,904,223.86
  5. Step 5: Solve for x
    x = 221,904,223.86/13,236.65
  6. Step 6: Final answer
    x = 16,764.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.